Drawing on her experience as an activist and journalist, Becky Gillette was the Sierra Club volunteer who first suspected formaldehyde was at the root of the problem with FEMA trailers used to house displaced Gulf Coast residents in the wake of Hurricane Katrina. She ordered $35 test kits and tested 32 trailers. The results were stunning: 30 of the 32 trailers registered unsafe levels of formaldehyde.

The legal team for former trainer Brian McNamee said Monday that Roger Clemens' decade-long relationship with a country music star could be used to discredit the pitcher's defamation suit against McNamee.

Baseball players and owners toughened their drug rules again Friday in response to outside criticism, agreeing to more frequent testing and increased - but not total - authority for the program's outside administrator.

Rep. Tom Davis on Tuesday issued a 109-page report that he believes challenges the credibility of Brian McNamee, whose testimony before a congressional committee last month that Roger Clemens used steroids helped lead to an FBI investigation that Clemens lied to Congress.

A U.S. House committee chairman has begun an investigation into the electrocutions of at least 12 service members in Iraq, including that of a Pittsburgh soldier killed in January by a jolt of electricity while showering.